WO2024073509A3 - Aqueous based anode with mechanical enhancement additives - Google Patents

Aqueous based anode with mechanical enhancement additives Download PDF

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Publication number
WO2024073509A3
WO2024073509A3 PCT/US2023/075264 US2023075264W WO2024073509A3 WO 2024073509 A3 WO2024073509 A3 WO 2024073509A3 US 2023075264 W US2023075264 W US 2023075264W WO 2024073509 A3 WO2024073509 A3 WO 2024073509A3
Authority
WO
WIPO (PCT)
Prior art keywords
mechanical enhancement
aqueous based
based anode
enhancement additives
mechanical
Prior art date
Application number
PCT/US2023/075264
Other languages
French (fr)
Other versions
WO2024073509A2 (en
Inventor
Younes ANSARI
Qing Zhang
Benjamin Yong Park
Original Assignee
Enevate Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Enevate Corporation filed Critical Enevate Corporation
Publication of WO2024073509A2 publication Critical patent/WO2024073509A2/en
Publication of WO2024073509A3 publication Critical patent/WO2024073509A3/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/362—Composites
    • H01M4/364—Composites as mixtures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/134—Electrodes based on metals, Si or alloys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
    • H01M4/386—Silicon or alloys based on silicon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M2004/021—Physical characteristics, e.g. porosity, surface area
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/027—Negative electrodes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

Systems and methods are provided for aqueous based electrodes (e.g., anodes) with mechanical enhancement additives. An electrode for use in an electrochemical cell has an active material that includes silicon and a mechanical enhancement additive, with the mechanical enhancement additive selected to offset or counter silicon volume changes, and with the mechanical enhancement additive selected based on one or more selection thresholds relating to one or both of Young's modulus and aspect ratio.
PCT/US2023/075264 2022-09-29 2023-09-27 Aqueous based anode with mechanical enhancement additives WO2024073509A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17/956,009 2022-09-29
US17/956,009 US20240113281A1 (en) 2022-09-29 2022-09-29 Aqueous based anode with mechanical enhancement additives

Publications (2)

Publication Number Publication Date
WO2024073509A2 WO2024073509A2 (en) 2024-04-04
WO2024073509A3 true WO2024073509A3 (en) 2024-05-10

Family

ID=90469990

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2023/075264 WO2024073509A2 (en) 2022-09-29 2023-09-27 Aqueous based anode with mechanical enhancement additives

Country Status (2)

Country Link
US (1) US20240113281A1 (en)
WO (1) WO2024073509A2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210091358A1 (en) * 2019-09-19 2021-03-25 Kabushiki Kaisha Toshiba Separator, electrode group, secondary battery, battery pack, vehicle, and stationary power supply
US20210336243A1 (en) * 2017-09-13 2021-10-28 Unifrax I Llc Silicon-based anode material for lithium ion battery
US20210399384A1 (en) * 2012-03-02 2021-12-23 Cornell University Lithium ion batteries comprising nanofibers

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210399384A1 (en) * 2012-03-02 2021-12-23 Cornell University Lithium ion batteries comprising nanofibers
US20210336243A1 (en) * 2017-09-13 2021-10-28 Unifrax I Llc Silicon-based anode material for lithium ion battery
US20210091358A1 (en) * 2019-09-19 2021-03-25 Kabushiki Kaisha Toshiba Separator, electrode group, secondary battery, battery pack, vehicle, and stationary power supply

Also Published As

Publication number Publication date
WO2024073509A2 (en) 2024-04-04
US20240113281A1 (en) 2024-04-04

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